update: ok, so when i tried the agpmode option, it worked with agpmode 1, but not with agpmode 2 or 4.
for the record, lspci shows the following on the video card: 01:00.0 VGA compatible controller [0300]: ATI Technologies Inc Radeon R250 [Mobility FireGL 9000] [1002:4c66] (rev 02) (prog-if 00 [VGA]) -- Freeze with ati driver during boot on 8.04 https://bugs.launchpad.net/bugs/214105 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs